public SelectLanguageForm::buildForm(array $form, FormStateInterface $form_state, $install_state = NULL)
Form constructor.
Parameters
array $form: An associative array containing the structure of the form.
\Drupal\Core\Form\FormStateInterface $form_state: The current state of the form.
Return value
array The form structure.
Overrides FormInterface::buildForm
File
- core/lib/Drupal/Core/Installer/Form/SelectLanguageForm.php, line 29
Class
- SelectLanguageForm
- Provides the language selection form.
Namespace
Drupal\Core\Installer\Form
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | public function buildForm(array $form, FormStateInterface $form_state, $install_state = NULL) { if (count($install_state['translations']) > 1) { $files = $install_state['translations']; } else { $files = array(); } $standard_languages = LanguageManager::getStandardLanguageList(); $select_options = array(); $browser_options = array(); $form['#title'] = 'Choose language'; // Build a select list with language names in native language for the user // to choose from. And build a list of available languages for the browser // to select the language default from. // Select lists based on all standard languages. foreach ($standard_languages as $langcode => $language_names) { $select_options[$langcode] = $language_names[1]; $browser_options[$langcode] = $langcode; } // Add languages based on language files in the translations directory. if (count($files)) { foreach ($files as $langcode => $uri) { $select_options[$langcode] = isset($standard_languages[$langcode]) ? $standard_languages[$langcode][1] : $langcode; $browser_options[$langcode] = $langcode; } } asort($select_options); $request = Request::createFromGlobals(); $browser_langcode = UserAgent::getBestMatchingLangcode($request->server->get('HTTP_ACCEPT_LANGUAGE'), $browser_options); $form['langcode'] = array( '#type' => 'select', '#title' => 'Choose language', '#title_display' => 'invisible', '#options' => $select_options, // Use the browser detected language as default or English if nothing found. '#default_value' => !empty($browser_langcode) ? $browser_langcode : 'en', ); $link_to_english = install_full_redirect_url(array('parameters' => array('langcode' => 'en'))); $form['help'] = array( '#type' => 'item', // #markup is XSS admin filtered which ensures unsafe protocols will be // removed from the url. '#markup' => '<p>Translations will be downloaded from the <a href="http://localize.drupal.org">Drupal Translation website</a>. If you do not want this, select <a href="' . $link_to_english . '">English</a>.</p>', '#states' => array( 'invisible' => array( 'select[name="langcode"]' => array('value' => 'en'), ), ), ); $form['actions'] = array('#type' => 'actions'); $form['actions']['submit'] = array( '#type' => 'submit', '#value' => 'Save and continue', '#button_type' => 'primary', ); return $form;} |
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